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Forum: Commuting
10-16-19, 07:55 PM
Replies: 54
Views: 15,118
Posted By sweeks

Almost: "Perineum...

Almost: "Perineum (https://en.wikipedia.org/wiki/Perineum)".
Forum: Commuting
10-16-19, 07:49 PM
Replies: 26
Views: 651
Posted By sweeks

This ^^. My "winter" bike is a folder because...

This ^^.
My "winter" bike is a folder because it has to go on a train (Chicago area). I went to a roller brake on the rear wheel to put a stop to the severe rim wear that was happening as a result...
Forum: Commuting
10-13-19, 06:59 PM
Replies: 3
Views: 226
Posted By sweeks

I have Nokian Extreme 294 tires on my mountain...

I have Nokian Extreme 294 tires on my mountain bike. They are pretty much fun on snow and ice. I won't need them here in the Chicago area for another month or so. ...
Forum: Commuting
10-13-19, 04:59 PM
Replies: 15
Views: 731
Posted By sweeks

I've been buying titanium bits from Toronto...

I've been buying titanium bits from Toronto Cycles for years. Not so much for security, though those ones linked to are pretty slick, but more for corrosion resistance. Ti also looks nice.
As to...
10-06-19, 09:47 AM
Replies: 23
Views: 747
Posted By sweeks

Maybe so. However, it's my own bike and I feel...

Maybe so. However, it's my own bike and I feel the risk is low relative to the benefit to me. I watched the crack develop until I was certain it was in fact a crack; it took several thousands of...
10-06-19, 07:50 AM
Replies: 23
Views: 747
Posted By sweeks

An aluminum repair weld without heat treatment...

An aluminum repair weld without heat treatment won't *necessarily* fail. I had a crack developing on a Dahon Mu XL folding bike at the junction of the top tube (the only tube) and the head tube. It's...
10-02-19, 07:30 PM
Replies: 27
Views: 893
Posted By sweeks

I've been doing this for a while. It makes a lot...

I've been doing this for a while. It makes a lot of sense.
10-01-19, 07:55 PM
Replies: 27
Views: 893
Posted By sweeks

But it feels so good! ...

But it feels so good!
https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/1224x1632/sp_mavic_sapim_dynowheel_03_baadc928aa438c14219483a90f7c2c3693cebf68.jpg

Through the Valve hole. :-)

EDIT:...
09-29-19, 06:09 PM
Replies: 37
Views: 1,159
Posted By sweeks

You could load the bike up, have both riders...

You could load the bike up, have both riders seated and get someone to mention the spoke tension on the spoke(s) closest to the ground. They should not be slack (or probably anywhere close to slack)....
09-29-19, 02:05 PM
Replies: 17
Views: 517
Posted By sweeks

I put a Shimano roller brake on each of two Dahon...

I put a Shimano roller brake on each of two Dahon folding bikes to remediate the wear the rear rims were suffering from. These bikes have Nexus hubs, which have an interface with the roller brake...
09-29-19, 12:44 PM
Replies: 37
Views: 1,159
Posted By sweeks

That sounds "made-up" to me. Most hubs I've seen...

That sounds "made-up" to me. Most hubs I've seen have aluminum shells with pressed-in steel cups. High spoke tension might cause the cup to fall out, but it would be unlikely to change the dimensions...
09-26-19, 05:16 AM
Replies: 20
Views: 740
Posted By sweeks

There's not a lot of oil running around in the...

There's not a lot of oil running around in the hub, since the hub gears are allowed to drain for a few minutes after dipping. The gear oil (75W-140) has some viscosity and coats the gears pretty...
09-25-19, 08:13 PM
Replies: 30
Views: 1,376
Posted By sweeks

The thing I find interesting about the Park Tools...

The thing I find interesting about the Park Tools "Wheel Tension App" is that it provides a way to get all the spokes to within a certain range of "the same" tension. As others have pointed out,...
09-25-19, 05:14 AM
Replies: 38
Views: 2,808
Posted By sweeks

We should also recognize a debt of gratitude to...

We should also recognize a debt of gratitude to Sheldon's wife, Harriet Fell, and his close friend John Allen, for keeping the site going!
09-24-19, 10:19 AM
Replies: 20
Views: 740
Posted By sweeks

My first Nexus-8 had the black "Nexus grease"...

My first Nexus-8 had the black "Nexus grease" (same as on two Nexus-7 hubs) when I first opened it, so I was surprised when I opened the newer ("red-band") Nexus-8 and found it covered in a white...
09-21-19, 10:11 PM
Replies: 20
Views: 740
Posted By sweeks

Not sure if this is helpful, but I've got about...

Not sure if this is helpful, but I've got about 10,000 miles on a red-band Nexus 8 hub that gets a yearly dip in gear oil and the bearings (including the big one on the drive side) are greased with...
09-20-19, 07:39 PM
Replies: 44
Views: 3,194
Posted By sweeks

You'll like them. Practice at first on a grassy...

You'll like them. Practice at first on a grassy surface in case you need to fail to unclip. ;)
The knack of using them should come quickly. After a few rides where you concentrate on unclipping as...
09-15-19, 06:00 PM
Replies: 12
Views: 557
Posted By sweeks

Not if the threads are repaired with the metric...

Not if the threads are repaired with the metric thread file referenced above. It's hardened steel and does a nice job on steel threads. I've repaired spark plug threads that would subsequently thread...
09-15-19, 03:54 PM
Replies: 25
Views: 1,271
Posted By sweeks

I know... I've got two of them! That's why I was...

I know... I've got two of them! That's why I was puzzled.
That's one thing I've learned the hard way once or twice... don't drop threaded tools!

EDIT: Oooh! That demo on the video looks like the...
09-15-19, 02:29 PM
Replies: 25
Views: 1,271
Posted By sweeks

It may be the angle of the photo, but it looks...

It may be the angle of the photo, but it looks like the part that threads into the crank has a left-hand thread. That can't be the case... can it?
Otherwise, as suggested by others, unscrew the...
09-14-19, 09:18 PM
Replies: 44
Views: 3,194
Posted By sweeks

Not that I'd disagree with that, but just so you...

Not that I'd disagree with that, but just so you know, those shoes have SPD cleats on them. :eek:
However, I was unclipped before I hit the tarmac.
(That was six years ago, 30 miles into a 75-mile...
09-14-19, 05:21 PM
Replies: 44
Views: 3,194
Posted By sweeks

Sadly, there was nothing soft when I landed on my...

Sadly, there was nothing soft when I landed on my knee on a road ride....
Forum: Commuting
09-14-19, 04:54 PM
Replies: 27
Views: 1,410
Posted By sweeks

Sadly, ... no! :D EDIT: There are worse...

Sadly, ... no! :D

EDIT: There are worse earworms... offhand, I can't think of one though. :lol:
09-14-19, 02:57 PM
Replies: 12
Views: 557
Posted By sweeks

Happy to help! I bought one about 30 years ago...

Happy to help! I bought one about 30 years ago and have used it maybe 6 times. But it's great to have the right tool when you need it!
09-14-19, 07:36 AM
Replies: 12
Views: 557
Posted By sweeks

Even better: a Metric Thread File...

Even better: a Metric Thread File (https://www.victornet.com/detail/TF-8.html) !
09-12-19, 07:55 PM
Replies: 10
Views: 922
Posted By sweeks

Sorry, Scott. Not me... though I'd like to think...

Sorry, Scott. Not me... though I'd like to think I *could*. :D
Forum: Road Cycling
09-11-19, 07:38 PM
Replies: 234
Views: 23,025
Posted By sweeks

How about endodontists? :D I'm a "state...

How about endodontists? :D
I'm a "state employee", so my Ti bike is an Airborne "Carpe Diem" set up more or less for touring. It has a steel fork (Co-Motion "Americano"), Ultegra 3 x 9 drivetrain,...
Forum: Folding Bikes
09-10-19, 08:27 PM
Replies: 8
Views: 705
Posted By sweeks

Looks like that one has a cracked weld between...

Looks like that one has a cracked weld between the head tube and the top tube. Notice the "sold as-is" statement. I wouldn't buy it at any price. Yours might be in better shape.
Forum: Commuting
08-30-19, 08:12 PM
Replies: 84
Views: 9,772
Posted By sweeks

Here's my non-winter commuter, a Tern Verge S11i....

Here's my non-winter commuter, a Tern Verge S11i.
https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/tern_vs11i_spring_2019_overhaul_a7ab4b19f93592c2e38fd7a6863ba960394b7ff6.jpg
...
Forum: Commuting
08-30-19, 07:52 PM
Replies: 84
Views: 9,772
Posted By sweeks

Yeah, they require more effort to ride, but when...

Yeah, they require more effort to ride, but when you hit the black ice and don't bust your @$$ or other parts, it doesn't seem so bad.
Schwalbe "Marathon Winter" on my commuter, and Nokian "Extreme...
Forum: Folding Bikes
08-30-19, 10:14 AM
Replies: 6
Views: 1,056
Posted By sweeks

Nice drawings and images! Here are some images...

Nice drawings and images!
Here are some images of the R4 bearings from a Dahon "Neutron" hub (made by American Classic) which I serviced at a bit under 2,000 miles. These were in all-weather service...
08-24-19, 05:52 PM
Replies: 9
Views: 715
Posted By sweeks

That's pretty close to the generally accepted...

That's pretty close to the generally accepted procedure for dip-lubrication of Shimano hubs. After a final immersion in your gear oil, let it drain for a few minutes before reassembly. Bearings get...
08-24-19, 05:27 PM
Replies: 7
Views: 445
Posted By sweeks

That bike appears to have a Shimano Nexus SG-3R40...

That bike appears to have a Shimano Nexus SG-3R40 3-speed hub. Make sure the gears are properly adjusted as a first step.
User Manual (https://si.shimano.com/pdfs/um/UM-38E0A-006-00-ENG.pdf)
Dealer...
08-23-19, 08:11 PM
Replies: 9
Views: 715
Posted By sweeks

I've been servicing my Nexus 7- and 8-speed hubs...

I've been servicing my Nexus 7- and 8-speed hubs by dipping the gear clusters in 75W-140 gear oil for several years; the bearings get "Nexus grease". I use the same gear oil for my Alfine-11 hub.
I...
08-22-19, 05:27 AM
Replies: 19
Views: 817
Posted By sweeks

The cable housing is tight around the head tube,...

The cable housing is tight around the head tube, possibly mis-routed. When the bike is steered to the right, this pulls the cable housing out of the frame's cable stop. The next application of the...
Forum: Folding Bikes
08-19-19, 07:43 PM
Replies: 8
Views: 1,572
Posted By sweeks

Most "700cc" bikes are motorcycles. :D

Most "700cc" bikes are motorcycles. :D
08-15-19, 08:51 PM
Replies: 43
Views: 2,432
Posted By sweeks

While aluminum frames are less resistant to...

While aluminum frames are less resistant to impact damage than some other materials, I think if this were my bike and my choices were either to ride it or eat it, I'd ride it. Here are my reasons:...
08-14-19, 11:24 AM
Replies: 44
Views: 2,035
Posted By sweeks

Probably quite a few. The thing I've noticed when...

Probably quite a few. The thing I've noticed when a rim is getting thin and the brake track begins to bulge outward under air pressure, the brake will give a "thumping" sensation when it's applied....
Forum: Folding Bikes
08-11-19, 08:35 PM
Replies: 25
Views: 4,480
Posted By sweeks

Saw these nice oldies in Fish Creek WI (Door...

Saw these nice oldies in Fish Creek WI (Door County) a couple days ago. :-)

EDIT: Sorry, brain f@rt: these were at the park just south of Al Johnson's Swedish Restaurant in Sister...
08-09-19, 08:41 AM
Replies: 26
Views: 1,374
Posted By sweeks

Yes, but then the dropouts transfer the...

Yes, but then the dropouts transfer the compression to the locknuts, which compress the axle.
Nutted axles, on the other hand, do not have the same compression of the central part of the axle.
08-09-19, 08:35 AM
Replies: 26
Views: 1,374
Posted By sweeks

Any way you can think of to apply the compressive...

Any way you can think of to apply the compressive force of the QR on the end of the axle without contacting the lock nuts will work... like washers! You can also put the wheel into the dropout on one...
08-02-19, 07:49 PM
Replies: 15
Views: 816
Posted By sweeks

The closest I can come is a Nexus 7-speed hub...

The closest I can come is a Nexus 7-speed hub which I damaged by water incursion from too-aggressive washing (though this was unknown to me at the time). The hub probably had a couple thousand miles...
08-01-19, 03:56 PM
Replies: 24
Views: 1,095
Posted By sweeks

I'm going to go out on a limb here and speculate...

I'm going to go out on a limb here and speculate that the bike in the OP and the Google bike are of equal authenticity. The bike shown with its controller walking next to it appears not to have...
07-20-19, 01:25 PM
Replies: 63
Views: 4,772
Posted By sweeks

"Headsweats...

"Headsweats (https://www.headsweats.com/categories/cycling-caps-headwear/classic/)"
Forum: Folding Bikes
07-10-19, 09:07 PM
Replies: 34
Views: 3,631
Posted By sweeks

I have a Strida 2, my first folder, which I...

I have a Strida 2, my first folder, which I bought in 2001. I put 1000 miles on it before moving on to two Dahons and finally a Tern.
It took a little getting used to, mostly because of the...
07-09-19, 07:03 PM
Replies: 16
Views: 906
Posted By sweeks

Yikes! I had just the one (2 screws to hold my...

Yikes! I had just the one (2 screws to hold my ankle together), but it's enough for me. I wore the socks religiously for 6 months, but the swelling didn't disappear for another year.
I think when...
07-09-19, 01:45 PM
Replies: 29
Views: 1,637
Posted By sweeks

Yes, indeed! I've replaced a lot of the fasteners...

Yes, indeed! I've replaced a lot of the fasteners on my "winter" bike with titanium... no corrosion!
07-09-19, 01:06 PM
Replies: 16
Views: 906
Posted By sweeks

Maybe not for performance, but they do good...

Maybe not for performance, but they do good things for post-ankle-surgery swelling (voice of experience), deep vein thrombosis prevention, and congestive heart failure.
07-09-19, 12:51 PM
Replies: 16
Views: 906
Posted By sweeks

The lower extremities (legs) have veins with...

The lower extremities (legs) have veins with one-way valves in them. As the leg muscles contract, the veins are compressed forcing blood upwards toward the inferior vena cava (which also has these...
06-23-19, 08:53 PM
Replies: 36
Views: 1,680
Posted By sweeks

The dynohub produces alternating current (AC). If...

The dynohub produces alternating current (AC). If you carefully clamp the wheel's axle in a vise (ideally an axle vise) and connect an AC voltmeter to the terminals, then give the wheel a spin, you...
Showing results 1 to 50 of 1000
 


 
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